Xcode 6 Beta 6 compatibility, replaced hasValue with nil checks
Xcode 6 Beta 6 compatibility, valueForKey("description") already return a string, probably self should have been used here instead
Xcode 6 Beta 6 compatibility, KICNilLiteral isn't used anywhere, deleting it
Merge pull request #20 from sync/master

Xcode 6 Beta 6 compatibility